Improvement in motors



ITNITED STATES PATENT OFFICE.

LYMAN H. DEAN, OF TECUMSEH, MICHIGAN.

IMPROVEMENT IN MOTORS.

Specification forming part of Letters Patent No. 145,49 0, dated Dcccniber 16, 1873; application filed August 11, 1873. i

Topll whom it may concern Be it known that I, LYMAN H. DEAN, of Tecumseh, in the county of Lenawee and State of Michigan, have invented an Improvement in Devices for Storing Power, of which the following is a specification:

This invention has for its object to provide a storage of power developed by wind, which is not at the moment utilized, but subsequently V the same at a: w in Figs. 1 and 2.

In the drawing, A represents the sail of a windmill, which rotates a vertical shaft, B, at the lower end of which is a bevelgear, a, meshing with a pinion at the outer end of a horizontal shaft, B, journaled in a suitable frame. The inner end of this shaft carries a pinion, b, meshing with a spur-wheel, 0, whose shaftis fitted with a ratchet and pawl. (Not shown.) On the same shaft a spiral spring, D, of great power, has one end secured to it, and the other to one of the bars connecting the two large spur-wheels E sleeved on the i shaft, one of which meshes with a pinion, F,

on a shaft, G, journaled through the frame, and whose outer end carries a clutch-socket, c. When the windmill is not in use or required for its legitimate purpose the geara is dropped into mesh with the pinion of the shaft B and the power of the wind applied to winding up the heavy spring on its shaft, the latter being kept from running down by the pawl above referred to, while it is also prevented from exerting its force in the other direction by a camst )p, H, engaging with the teeth of the spur- Wheels E.

The machine to be driven is provided with a shaft, G, having a squared end to be slid into the socket of the shaft G, and thus connected therewith, the power of the spring being thrown on by withdrawing the cam-stop H from the wheels E. I is a block sliding 011 ways I, and carrying a frame, J, of the machine to be driven, in which frame the shaft G is journaled, and which engages with the socket of the shaft G whenever the block is slid forward and held by a cam-stop, H. In the present case the frame'J carries a train of gears and a spring similar to that of a springclock, the power of the larger spring being used to wind up the smaller one whenever it is run down, after which the frame and its block are slid back, when the power of the smaller spring may be utilized in any desirable way. In lieu of the spring a heavy weight may have its suspension-rope wound upon the shaft of the wheel 0 by the windmill, with this advantage, that the force exerted by it will be uniform, while that of the spring decreases with its loss of tension.

WhatI claim as my invention, and desire to secure by Letters Patent, is-

The combination of the shaft B of a windmillwith the shafts B and G, the spring D, the wheel E, and shaft G, connected and operating together, as described, and the frame J and its train of gears and spring, substantially as and for the purpose set forth.

LYMAN H. DEAN.

\Vitnesses CHARLES BURRIDGE, HENRY H. KEYsnR. 

